335/60R20 tire size in inches

A 335/60R20 tire measures

35.8" tall × 13.2" wide

7.91" sidewall on a 20" wheel. 563 revolutions per mile.

335/60R20 means a tire 335 mm wide, with sidewalls 60% as tall as the tire is wide (201 mm), radial construction (R), for a 20 inch wheel.

35.8"20" rim7.9"13.2" wide
335/60R20: 35.8 inches tall, 13.2 inches wide, on a 20 inch rim, drawn to scale

335/60R20 specs

Overall diameter (height)35.83 inches (910 mm)
Section width13.19 inches (335 mm)
Sidewall height7.91 inches (201 mm)
Wheel (rim) diameter20 inches
Circumference112.6 inches (2,859 mm)
Revolutions per mile563
Revolutions per kilometer350
Approximate rim width9.0" to 10.5"
In inches (flotation style)35.8x13.2R20
Aspect ratio60%

Calculated from the size. Real tires differ by brand, model and tread depth, typically by a few tenths of an inch.

Sizes that can replace 335/60R20 on a 20" wheel

These 20" sizes are within 3% of 335/60R20's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
305/65R2035.61"12.01"−0.6%59.6 mphCompare
355/55R2035.37"13.98"−1.3%59.2 mphCompare
325/60R2035.35"12.80"−1.3%59.2 mphCompare
295/65R2035.10"11.61"−2.0%58.8 mphCompare
35x12.50R2035.00"12.50"−2.3%58.6 mphCompare
345/55R2034.94"13.58"−2.5%58.5 mphCompare
315/60R2034.88"12.40"−2.6%58.4 mphCompare

Same height on other wheel sizes (plus and minus sizing)

SizeWheelDiameterDifference
355/60R1919"35.77"−0.2%Compare
295/85R1616"35.74"−0.2%Compare
325/70R1818"35.91"+0.2%Compare
345/55R2121"35.94"+0.3%Compare
355/50R2222"35.98"+0.4%Compare
315/55R2222"35.64"−0.5%Compare
325/65R1919"35.63"−0.5%Compare
315/75R1717"35.60"−0.6%Compare
345/50R2222"35.58"−0.7%Compare
335/55R2121"35.51"−0.9%Compare
295/75R1818"35.42"−1.1%Compare
315/70R1818"35.36"−1.3%Compare

One size up or down

Compare 335/60R20 with another size

With 305/65R20 tires, when your speedometer says 60 mph you are really going

59.6 mph

305/65R20 is −0.22 inches (−0.6%) in overall diameter. That is within the 3% most shops and makers allow.

335/60R20305/65R20Difference%
Overall diameter35.83"35.61"−0.22"−0.6%
Section width13.19"12.01"−1.18"−9.0%
Sidewall height7.91"7.81"−0.11"−1.4%
Circumference112.55"111.87"−0.68"−0.6%
Revolutions per mile562.9566.4+3.4+0.6%

Questions

How tall is a 335/60R20 tire?
A 335/60R20 tire is 35.8 inches tall (910 mm), calculated from the size. It is 13.2 inches wide with 7.9 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 335/60R20 mean?
335/60R20 means a tire 335 mm wide, with sidewalls 60% as tall as the tire is wide (201 mm), radial construction (R), for a 20 inch wheel.
How many revolutions per mile does a 335/60R20 tire make?
About 563 revolutions per mile, based on a circumference of 112.6 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 335/60R20 tire?
Roughly 9.0" to 10.5". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 305/65R20 instead of 335/60R20?
305/65R20 is −0.22 inches (−0.6%) in overall diameter, so at an indicated 60 mph you would be doing 59.6 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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